thomasballantine/Advent_of_code_2015
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ThomasBallantine 2025-08-12 22:16:04 +01:00
parent aff6562cfe
commit 4fa2c17e4a
1 changed files with 4 additions and 3 deletions
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2015_day_3/day_3.c
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@ -96,6 +96,7 @@ void movenorth(Housearray* f, char direction){
int grid_x = f->x·coord - f->x_coord_origin;
int grid_y = f->y·coord - f->y_coord_origin;
f->houses[grid_y][grid_x]++;
//comment
}
void movesouth(Housearray* f, char direction){
@ -106,7 +107,7 @@ void movesouth(Housearray* f, char direction){
//update y coordinate
f->y·coord++;
//check if expansion needed
if (f->y·coord > f->rows·in·array){
if (f->y·coord - f->y_coord_origin >= f->rows·in·array){
//Expand south
int new_rows = old_rows +1;
int new_cols = old_cols;
@ -115,12 +116,12 @@ void movesouth(Housearray* f, char direction){
for (int i = 0; i< old_rows; ++i){
new_grid[i] = f->houses[i];
}
new_grid[0] = (int*)calloc(new_cols, sizeof(int));//Initialising the new row to empty
new_grid[new_rows - 1] = (int*)calloc(new_cols, sizeof(int));//Initialising the new row to empty
free(f->houses);
f->houses = new_grid;
f->rows·in·array = new_rows;
f->columns·in·array = new_cols;
f->y_coord_origin++;
}
//updating the visit count
int grid_x = f->x·coord - f->x_coord_origin;